巧用window.name实现windowStorage代码分享

发布时间：2023-09-07 14:20:14 所属栏目：教程来源：

导读：代码如下:

//key:value|key:value

var windowStorage = {

_inited: false,

_data: {},

init: function(str) {

var tmpData, key, value, kv;

this._inited

代码如下:

//key:value|key:value

var windowStorage = {

    _inited: false,

    _data: {},

    init: function(str) {

        var tmpData, key, value, kv;

        this._inited = true;

        if (str && typeof str == 'string') {

            tmpData = str.split('|');

            for (var i = 0, len = tmpData.length; i < len; i++) {

                kv = tmpData[i].split(':');

                key = unescape(kv[0]);

                value = unescape(kv[1]);

                this._data[key] = value;

            }

        } else if (typeof str == 'object') {

            this._data = str;

        }

    },

    read: function(key) {

        if (!this._inited) {

            throw new Error('Please initialize before reading.');

        }

        return this._data[key];

    },

    write: function(key, value) {

        var str = [];

        if (!this._inited) {

            throw new Error('Please initialize before writing.');

        }

        this._data[key] = value;

        for (var k in this._data) {

            str.push(escape(k) + ':' + escape(this._data[k]));

        }

        window.name = str.join('|');

    }

};

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